Transport phenomena in porous media (Advanced transport phenomena)
Transport phenomena in porous
media (Advanced transport phenomena)
• In nature and in a large number of practical applications it is common to find porous media.
• At a microscopic scale and in a general sense, virtually every solid material can be considered as being porous, with the exception of metallic structures, dense rocks and some plastics.
• The existence of reliable models to predict the behavior of porous media and of the transport phenomena occurring inside them can be very important in many scientific and technological areas.
Chemical process engineering:
• Fixed bed reactors, filtration, drying, trickle bed reactors, chromatography, adsorption/desorption, ionic change, fuel cells, catalytic converters to reduce pollutant emissions from vehicles, absorption and distillation columns with and without chemical reaction.
• Environmental engineering: migration of contaminants in soil and ground water, irrigation, soils cleaning with vapor injection, and incineration.
• Miscellaneous fields…
Model Characteristics for the Description of Transport Phenomena in Porous Media
• The development of a model aiming to describe the local structure of a porous medium should have the following characteristics:
• To give a simplified description but at the same time reasonable, including all the essential aspects of the porous media structure to be studied.
• The description of the transport phenomena is simplified, but should be satisfactory from a mathematical and physical point of view.
• To allow the calculation and provision of the transport coefficients and other important parameters, from the morphological and physicochemical characteristics of the porous matrix components
What is Engineering? what is Chemical Engineering?
simultaneous heat and mass transfer
Seperation Process - Condensation
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